package com.atguigu.lease.web.admin.interceptor;

import com.atguigu.lease.common.context.LoginUserContext;
import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import com.atguigu.lease.model.entity.SystemUser;
import com.atguigu.lease.web.admin.service.SystemUserService;
import io.jsonwebtoken.Claims;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.HandlerInterceptor;

/**
 * @Author yaya
 * @Create 2024/6/4 19:02
 * Description:
 */
@Component
public class AuthenticationInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String token = request.getHeader("access_token");

        if (!StringUtils.hasText(token)){
            throw new LeaseException(ResultCodeEnum.ADMIN_LOGIN_AUTH);
        }else {
            Claims claims = JwtUtil.parseToken(token);
            Long userId = claims.get("userId", Long.class);
            // 存储userId
            LoginUserContext.setUserThreadLocal(userId);
        }
        return true;
    }


    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        LoginUserContext.clear();
    }
}
